
#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>

int main()
{
	int a = 0;
	int b = 0;
	double c;
	scanf("%d %d", &a, &b);
	c = (a*1.0) / (b*1.0);
	printf("%.4lf", c);

	return 0;
}